Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:13:10 2013

Optimize a model with 88641 rows, 6561 columns and 269001 nonzeros
Presolve removed 10598 rows and 3393 columns
Presolve time: 0.81s
Presolved: 78043 rows, 3168 columns, 236156 nonzeros
Variable types: 26 continuous, 3142 integer (3142 binary)
Found heuristic solution: objective 160921.00000

Root relaxation: objective 1.317836e+05, 14002 iterations, 1.42 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 131783.550    0    9 160921.000 131783.550  18.1%     -    2s
H    0     0                    131791.00000 131783.550  0.01%     -    2s

Explored 0 nodes (14032 simplex iterations) in 2.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.317910000000e+05, best bound 1.317840000000e+05, gap 0.0053%